Q1:Yuav ua li cas yog h - nqaj cov ntsiab cai yoog raws kev tsim qauv ntawm load {}}, femoral stems)?
A1:Kev cog hniav hauv siab ntsws mimic h - Tsov efficiency: lub hauv paus "Web" muab lub zog loj thiab tergional rigidity. Flange {{2} Zoo li kev tawm tsam lossis ntxig hlau steels txhim kho hauv cov kwj dej pob txha (mimicking anchorage). Qhov I / h Cross -} ntu muaj cov khoom siv tsis kam, txo cov khoom siv tsawg dua rau cov pob txha ua kom zoo dua (kev tiv thaiv kev ntxhov siab). Xaiv cov khoom siv (TI alloys, CIroc) ua ntej biocompatibility, corrosion tsis kam, thiab lub zog nkees. Kev kho cov npoo npoo (hata txheej, cov qauv sib zog) txhawb cov pob txha ingrowth. Kev tsim kho kom zoo siv FEA ua kom muaj kev ntxhov siab hloov pauv cov mimics cov pob txha pob txha ntuj, tsis txhob muaj kev ntxhov siab uas ua rau cov loos aus.
Q2:Lub luag hauj lwm dab tsi h - nqaj txhawb nqa cov qauv kev ua si hauv cov khoom plig zoo ntawm kev poob?
A2:Txwv tsis pub siv lub tswv yim zoo: Feem ntau ntawm cov tshuaj ntsuab ({- qhov nyhav "Flanges" muab cov ntsiab lus sib luag rau cov thom khwm, pob qij txha (hauv caug, pob taws), thiab cov khoom siv taw. Qhov seem qhib tso cai rau kev coj ntawm kev tswj cov cables, roj teeb, thiab hluav taws xob. Cov qauv tsim tawm rau qhov hnyav no thaum ua haujlwm ruaj khov nyob rau hauv chaw thau khoom (lab ntawm cov kauj ruam). Kev kho tau yooj yim yog koom ua ke ntawm kev zawv zawg clamps raws li cov nqaj {{}} zoo li qauv. Biomechanical kev ua haujlwm ua kom muaj zog ua kom muaj zog rov qab thiab ntuj txav kev ua haujlwm.
Q3:Kev txheeb xyuas kev ua kom qaug zog tsis sib haum xeeb rau h - nqaj txhawb kev phais?
A3:Kev phais cov cuab yeej txuas ntxiv -} {{{-} {1} ingcing los ntawm kev phais me me los ntawm kev phais me me. Pob txha txiav / drilling cov twj paj nruag kom ua dhau high - zaus dibrations thiab cyclic loads. Ua tsis tiav thaum phais mob yog kev puas tsuaj loj. H - Beam}} zoo li hla kev hloov pauv (hauv cov kab mob ntxhov siab, muaj cov ntsiab lus sib txuas tuaj yeem pib ua kom lub zog tawg. Kev tsom xam cuam tshuam nrog: txheeb xyuas qhov siab - Kev ntxhov siab thaj chaw ntawm FEA. Kuaj cov protypes hauv qab simlated phem tshaj-} lyclic thau khoom tau ntau dhau siv mus los. Siv siab - fatish}}}}}}}, tawv tawv stainless hlau, ti). Kev tsim qauv hloov kho, muaj kev sib txuas tau zoo, thiab kev sib txuas tawv. Kev tswj nruj ua kom nruj zoo tsis muaj cov khoom siv tsis xws luag pib pib.
Q4:Qhov kev txiav txim siab biocompats yog qhov tseem ceeb thaum muaj hlau rau h {{nqaj {} Kuv nyiam cov khoom kho mob?
A4:Biocompatibility yuav tsum muaj:Corrosion Kuj:Kev Tshem Tawm Tsawg Ion Tso Tawm (NI, CR, V) rau hauv lub cev tiv thaiv kev tiv thaiv kev lom zem, o lossis kev ua xua. Passivation txheej yog qhov tseem ceeb heev.Tsis - toxicity:Txhua cov ntaub ntawv thiab txheej tsho yuav tsum tsis - cytotoxic, tsis {}}}}} 10993 kuaj).OSOOSTICMEGRION / BIO - inertness:Cov chaw yuav tsum yog txhawb nqa pob txha raws (piv txwv li ti, ha txheej txheem) lossis kom tiav thiab tsis-} nts voos.Hnav khib nyiab:Yog hais tias articulating, cov khib nyiab yuav tsum muaj tsawg heev thiab biocompaib.Sib nqus resonance cov duab (MRI) sib haum:Tsawg nqus tau kev tiv thaiv kom tiv thaiv cov khoom cuav thiab cua sov. Cov Khoom Siv Khoom Siv (CP TI, Ti-6V-4V ELI, ASTM F138 / F139 Stainless Hlau, Cipro Tiav / Tu cov txheej txheem chaw nyob.
Q5:Yuav ua li cas ntxiv kev tsim khoom lag luam (3D luam ntawv) rub tawm cov khoom siv ntau lawm ntawm cov khoom sib xyaw ua ke ntawm cov qauv rau kev cog hniav?
A5:Muaj Ntxiv (Kuv) Ua Haujlwm:Tus neeg mob {{0} Geometry:Kev luam tawm kev luam tawm nrog h - beas} Zoo li sab hauv cov pob txha anatomy los ntawm CT scans, ua kom haum thiab thauj khoom.Complex nyob rau sab hauv:Tsim kev sib xyaw ua ke rau kev xa tshuaj lossis kev hloov pauv lossis vascularization nyob rau hauv "Web" qhov chaw.Graded Porosity:Tsim kev tsim hluav taws xob khav theeb "flange" rau cov pob txha sib hloov pauv mus rau cov khoom siv "Web" rau lub zog.Topology Optimization:Tsim kom muaj txiaj ntsig zoo heev, organic cov duab tshwm sim los ntawm h - Beam cov ntsiab lus tab sis zoo rau kev tsim khoom lag luam.Txo cov khib nyiab:Lub tsev nyob ze - net -}} duab cov cheebtsam los ntawm cov roj biocompice kim. Kuv pub txoj kev sib koom ua ke tsis tau pom zoo thiab kev sib xyaw ua ke rau kev cog lus, mus dhau yooj yim dua h} Tsov ci mimicry rau bio-} pamedal qauv qauv.
